理科

りか

science

JLPT N2

Character Breakdown

Meaning and Usage

理科 refers specifically to the natural sciences taught in school, such as physics, chemistry, and biology. It is a common subject in Japanese education and often appears in school-related contexts.

Common Collocations

  • 理科の授業 (science class): Refers to lessons or classes focused on science.
  • 理科の実験 (science experiment): Practical experiments conducted during science lessons.
  • 理科の問題 (science problems): Questions or exercises related to science subjects.

Usage Notes

When using 理科, it usually implies the academic subject rather than science in a broad or professional sense. For example, 理科の勉強 means studying school science subjects. It is a neutral term appropriate for formal and informal contexts.

Common Mistakes

Learners sometimes confuse 理科 with 科学 (かがく), which means science in a broader or more general sense, including scientific research and disciplines beyond school subjects. 理科 is more specific to school science classes.

Example Sentences

りかのじゅぎょうでじっけんをしました。

We did an experiment in science class.

こどもはりかにきょうみをもっています。

The child is interested in science.

りかのもんだいをとくのはむずかしいです。

Solving science problems is difficult.